Minimal dilaton model and the diphoton excess

Agarwal, Bakul; Isaacson, Joshua; Mohan, Kirtimaan A.

doi:10.1103/physrevd.94.035027

Cited by 7 publications

(2 citation statements)

References 199 publications

(61 reference statements)

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“…After a SM-like Higgs boson was discovered at the LHC in 2012 [1][2][3][4][5][6][7], it came to a natural question whether additional Higgs bosons exist. In theory, additional Higgs bosons can exist in numerous natural BSM models, see recent relevant studies in the Minimal Supersymmetric Standard Model (MSSM) [8][9][10][11][12][13], the Next-to MSSM (NMSSM) [14][15][16][17][18][19][20][21][22][23][24][25], the Minimal dilaton model [26][27][28][29],…”

Section: Introductionmentioning

confidence: 99%

Heavy Higgs bosons at a 100 TeV hadron collider

Wang¹,

Tian²,

Jian³

2021

Preprint

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In this work, we consider two heavy Higgs bosons (H and A) of about 2.4 ∼ 4.8 TeV in the semi-constrained NMSSM (scNMSSM) in our previous work. We study them in the pp → b bH/A → b bt t channel at a 100 TeV hardon collider. We calculate their cross section of production and branching ratios of decay, and compare the signal with the simulation result in a reference. We finally find that it is hard to detect the heavy Higgs bosons in this channel at the 100 TeV collider with an integrated luminosity of 3 ab −1 , because their branching ratio to SM particles including t t are seriously suppressed by the decay to SUSY particles. We will add discussions about detecting in other channels later.

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Section: Introductionmentioning

confidence: 99%

Heavy Higgs bosons at a 100 TeV hadron collider

Wang¹,

Tian²,

Jian³

2021

Preprint

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“…See [102] for a recent discussion of the σ, and [46,[103][104][105] for recent discussions of the dilaton. In the limit where is lighter than the other bound states, its coupling to SM vectors is dictated by eq.…”

Section: Jhep07(2016)101mentioning

confidence: 99%

The Higgs of the Higgs and the diphoton channel

Kannike

Pelaggi

Salvio

et al. 2016

J. High Energ. Phys.

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LHC results do not confirm conventional natural solutions to the Higgs mass hierarchy problem, motivating alternative interpretations where a hierarchically small weak scale is generated from a dimension-less quantum dynamics. We propose weakly and strongly-coupled models where the field that breaks classical scale invariance giving mass to itself and to the Higgs is identified with a possible new resonance within the LHC reach. As an example, we identify such resonance with the 750 GeV diphoton excess recently reported by ATLAS and CMS. Such models can be extrapolated up to the Planck scale, provide Dark Matter candidates and eliminate the SM vacuum instability.

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A light scalar in the Minimal Dilaton Model in light of the LHC constraints

et al. 2019

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Whether an additional light scalar exists is an interesting topic beyond the Standard Model (SM), while nowadays we do not know exactly physics beyond the SM in the low mass region, e.g., the Atlas and CMS collaborations get inconsistent results at around 95 GeV in searching for light resonances in diphoton channel. Considering these, we study a light scalar in the Minimal Dilaton Model (MDM). Under the theoretical and latest experimental constraints, we sort the surviving samples into two scenarios according to the diphoton rate of the light scalar: the large-diphoton scenario (with σ γγ /SM 0.2) and the small-diphoton scenario (with σ γγ /SM 0.2), which are favored by CMS and Atlas results respectively. We compare the two scenarios, check the characteristics in model parameters, scalar couplings, production and decay, and consider further distinguishing them at colliders. Finally, we get the following conclusions for the two scenarios: (i) The formal usually has small Higgsdilaton mixing angle (| sin θ S | 0.2) and small dilaton vacuum expectation value (VEV) f (0.5 η ≡ v/f 1), and the later usually has large mixing (| sin θ S | 0.4) or large VEV (η ≡ v/f 0.3). (ii) The former usually predicts small sγγ coupling (|C sγγ /SM | 0.3) and large sgg coupling (0.6 |C sgg /SM | 1.2), while the later usually predicts small sgg coupling (|C sgg /SM | 0.5). (iii) The former can interpret the small diphoton excess by CMS at its central value, when m s 95 GeV, η 0.6 and | sin θ S | 0. (iv) The former usually predicts a negative correlation between Higgs couplings |C hγγ /SM | and |C hgg /SM |, while the later usually predicts the two couplings both smaller than 1, or |C hγγ /SM | 0.9 |C hgg /SM |.

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Minimal dilaton model and the diphoton excess

Cited by 7 publications

References 199 publications

Heavy Higgs bosons at a 100 TeV hadron collider

Heavy Higgs bosons at a 100 TeV hadron collider

The Higgs of the Higgs and the diphoton channel

A light scalar in the Minimal Dilaton Model in light of the LHC constraints

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